Home / 42,734.73-64,102.13-11,144.76

Finding the Fourth Proportional to 42,734.73, 64,102.13 and 11,144.76

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Solution

The fourth proportional to 42,734.73, 64,102.13 and 11,144.76 is: 16,717.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,734.73 : 64,102.13 = 11,144.76 : x
  2. Step 2: Convert to fraction form
    42,734.73/64,102.13 = 11,144.76/x
  3. Step 3: Cross multiply
    42,734.73x = 64,102.13 × 11,144.76
  4. Step 4: Simplify right side
    42,734.73x = 714,402,854.34
  5. Step 5: Solve for x
    x = 714,402,854.34/42,734.73
  6. Step 6: Final answer
    x = 16,717.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.